Home / 221,363.48-332,045.22-122,154.24

Finding the Fourth Proportional to 221,363.48, 332,045.22 and 122,154.24

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Solution

The fourth proportional to 221,363.48, 332,045.22 and 122,154.24 is: 183,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,363.48 : 332,045.22 = 122,154.24 : x
  2. Step 2: Convert to fraction form
    221,363.48/332,045.22 = 122,154.24/x
  3. Step 3: Cross multiply
    221,363.48x = 332,045.22 × 122,154.24
  4. Step 4: Simplify right side
    221,363.48x = 40,560,731,494.73
  5. Step 5: Solve for x
    x = 40,560,731,494.73/221,363.48
  6. Step 6: Final answer
    x = 183,231.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.